Re: [PATCH] extcon: palmas: Fix boot up state of VBUS when using GPIO detection

From: Chanwoo Choi
Date: Tue Jun 14 2016 - 21:57:33 EST


On 2016ë 06ì 14ì 23:04, Roger Quadros wrote:
> If USB cable is connected prior to boot, we don't get any interrupts
> so we must manually check the VBUS state and report it during probe.
> If we don't do it then USB controller will never know that peripheral
> cable was connected till the user unplugs and replugs the cable.
>
> Fixes: b7aad8e2685b ("extcon: palmas: Add the support for VBUS detection by using GPIO")
> Signed-off-by: Roger Quadros <rogerq@xxxxxx>
> ---
> drivers/extcon/extcon-palmas.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c
> index 8b3226d..caff46c 100644
> --- a/drivers/extcon/extcon-palmas.c
> +++ b/drivers/extcon/extcon-palmas.c
> @@ -360,6 +360,8 @@ static int palmas_usb_probe(struct platform_device *pdev)
>
> palmas_enable_irq(palmas_usb);
> /* perform initial detection */
> + if (palmas_usb->enable_gpio_vbus_detection)
> + palmas_vbus_irq_handler(palmas_usb->gpio_vbus_irq, palmas_usb);
> palmas_gpio_id_detect(&palmas_usb->wq_detectid.work);
> device_set_wakeup_capable(&pdev->dev, true);
> return 0;
>

Applied it.

Thanks,
Chanwoo Choi